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Hindi - Himachal Pradesh

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II) Plant Physiology and Biochemistry: Absorption and Conduction of Water. MineralAbsorption. Role of elements and mineral deficiencies. Transpiration. Mechanisms ofstomatal movements. Respiration. Photorespiration. Photosynthesis. Anatomy of C 3 andC 4 plants. Nitrogen fixation. Nitrogen metabolism. Enzymes and coenzymes. PlantGrowth and Movements. Photoperiodism and Vernalization. Plant Hormones.Dormancy and germination of seeds. Photomorphogenesis. Stress physiology withrespect to temperature, water and salinity stress. Physiology of flowering. Fruit ripening.Chemical foundations of biology: Physico-chemical properties of water, pH, acids, bases,buffers, types of bonds and their importance, free energy, resonance and isomerisation.Structure and functions of Carbohydrates, Lipids/Fats, Amino acids, Peptides, Proteinsand Nucleic acids.III) Cell Biology, Genetics, Evolution, Molecular Biology and Biotechnology: Techniques ofcell biology, Prokaryotic and eukaryotic cells. Cell theory. Cell as a unit of structure andfunction, ultra-structure of cell and its various organelles (chloroplasts, mitochondria,endoplasmic, reticulum, ribosomes, endosomes, vacuoles, lysosomes, peroxysomes).Extracellular matrix or ECM. Cell wall and plasma membrane. Nucleus, Nucleolus,Nuclear pore complex (NPC), Chromatin and Nucleosome. Nucleic acids − their structure,reproduction and role in protein biosynthesis. DNA polymorphism. The physical andchemical structure of chromosomes. Mitosis and Meiosis. Molecular control involvingcheck points in cell division cycle. Structural and Numerical changes in chromosomes.Structure, behaviour and significance of polytene, lampbrush and B-chromosomes. Preand Post Mendelian concept of Genetics. Laws of inheritance. Chromosome theory ofinheritance. Gene and Allele concepts. Linkage, Crossing over and Gene mapping.Genetic Code. Regulation of gene expression. Sex chromosomes and sex-linkedinheritance. Sex determination. Biochemical and molecular basis of Mutations. Extrachromosomal / Cytoplasmic inheritance. Evidences, Mechanisms and Theories of organicevolution. Micropropagation. Cell, tissue, organ and protoplast culture. Geneticengineering. Methods of gene transfer and transgenic crops. Development and use ofmolecular markers. Fermentation technology. Biofertilizers.CHEMISTRYPAPER-I1. Quantum mechanics:Plank's hypothesis of quantization of energy. Implications of Plank' hypothesis for black -body radiation, heat capacities of solids, photoelectric effect. wave - particle duality andHeisenberg uncertainty principle. The wave function, information in a wave function,normalization of wave function. Eign values and eign functions. Operators, postulates ofquantum mechanics (principals and introduction). Schrodinger wave equation for freeparticle and particle in one dimension and three dimension box. Schrodinger waveequation for hydrogen atom, radial and probability wave function.2. Chemical bonding:Ionic bond, characteristics of ionic compounds, factors affecting stability of ioniccompounds, lattice energy, Born-Haber cycle; covalent bond and its generalcharacteristics, polarities of bonds in molecules and their dipole moments Valence bondtheory, concept of resonance and resonance energy. Molecular orbital theory, (LCAOmethod); bonding in homonuclear molecules: H + 2 , H 2 to Ne 2 , NO, CO, HF, CN, BeH 2 and

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